... serviceMaterialsIron, aluminum, steel, copper, plastic, carbon steel, nylon, bronze, solder alloy, HSS, tool steels, or as per the customers ... polishing, PVD/CVD coating, galvanized, electroplating, spraying, and painting and so on.PackingWooden box, or as per the customer’s ... alloys(carbon steel, stainless steel, aluminum alloy, brass and bronze alloy)2.All kinds of surface treatments are available: ...